Question

A point charge is placed at a radial distance of 50 cm from a 2 m long, straight, uniformly positive charged wire of total charge of 8 microCoulomb. The charge is at equal distances from the two ends of the wire and experiences a force of 12 mN (milliNewton) pointing radially inward toward the wire.

A) Draw a diagram and calculate the charge of the point charge (sign and value). Explain your model/assumptions for the problem.

B) Explain how you would calculate the field created by the line of charge at a radial distance from the wire of: 2.A. 100 meters 2.B. 10 cm The explanation is more important here than actual numbers, but for full credit you should perform the numerical calculations as well.

Answer 1

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